The table below looks at the statistics for CentOS skills in IT contracts advertised for the Berkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 30 May 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
30 May 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 116 112 124
Rank change year-on-year
-4 +12
Contract jobs citing CentOS 11 5 3
As % of all contract IT jobs located in Berkshire 0.45% 0.20% 0.12%
As % of the Operating Systems category 2.34% 0.97% 0.54%
Number of daily rates quoted 10 3 2
Median daily rate £450 £350 £406
Median daily rate % change year-on-year
+28.57% -13.84%
UK excluding London median daily rate £425 £375 £350
% change year-on-year
+13.33% +7.14%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - £16.75
CentOS
South East

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Berkshire region.

Operating Systems Category
Berkshire
Contract IT job ads with a match in the
Operating Systems category
471 517 558
As % of all contract IT jobs located in Berkshire 19.42% 20.44% 21.42%
Number of daily rates quoted 260 255 272
Median daily rate £375 £375 £341
Median daily rate % change year-on-year
- +9.89%
90% offered a daily rate of more than £228 £212 £200
10% offered a daily rate of more than £516 £500 £450
UK excluding London median daily rate £365 £345 £313
% change year-on-year
+5.79% +10.40%
Number of hourly rates quoted 34 41 31
Median hourly rate £14.00 £18.00 £16.50
Median hourly rate % change year-on-year
-22.22% +9.09%
90% offered a hourly rate of more than £12.50 £14.00 £13.44
10% offered a hourly rate of more than £21.50 £24.12 £22.00
UK excluding London median hourly rate £16.50 £16.00 £15.50
% change year-on-year
+3.12% +3.22%

CentOS
Jobs Demand Trend in Berkshire

The demand trend of contract jobs across the Berkshire region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Berkshire region.

CentOS Daily Rate Trend in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 30 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Reading -8 3 £450 +45.16% 4
Windsor - 2 £510 - 1
Slough +6 1 £475 - 1
Bracknell - 1 £500 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 30 May 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Berkshire region with a requirement for CentOS.

1 41 (100.00%) Linux
2 28 (68.29%) Red Hat Enterprise Linux
3 23 (56.10%) Puppet
4 21 (51.22%) DevOps
5 20 (48.78%) Bash Shell
5 20 (48.78%) Python
6 19 (46.34%) Java
7 17 (41.46%) Red Hat
8 16 (39.02%) Configuration Management
9 15 (36.59%) Amazon AWS
9 15 (36.59%) Cisco
10 14 (34.15%) Ubuntu
10 14 (34.15%) VMware
10 14 (34.15%) Agile Software Development
10 14 (34.15%) logstash
10 14 (34.15%) Elasticsearch
10 14 (34.15%) Ansible
10 14 (34.15%) Graphite
10 14 (34.15%) ELK Stack
11 13 (31.71%) Terraform
11 13 (31.71%) Sensu
11 13 (31.71%) RESTful
11 13 (31.71%) JavaScript
11 13 (31.71%) Web Services
12 12 (29.27%) EMC
13 10 (24.39%) vSphere
14 9 (21.95%) VMware Infrastructure
14 9 (21.95%) Firewall
15 8 (19.51%) SLA
15 8 (19.51%) Cisco Nexus

CentOS
Top Related IT Skills in Berkshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 14 (34.15%) Elasticsearch
2 3 (7.32%) Apache
2 3 (7.32%) OpenStack
2 3 (7.32%) WebLogic
2 3 (7.32%) WebSphere
3 2 (4.88%) JBoss
3 2 (4.88%) Tomcat
4 1 (2.44%) Exchange Server 2010
4 1 (2.44%) MS Exchange
4 1 (2.44%) WebSphere Application Server
Applications
1 1 (2.44%) MS Office
Cloud Services
1 15 (36.59%) Amazon AWS
2 6 (14.63%) OpenShift
3 1 (2.44%) Amazon EC2
3 1 (2.44%) Amazon ELB
3 1 (2.44%) Amazon S3
3 1 (2.44%) CloudBees
3 1 (2.44%) Office 365
Communications & Networking
1 9 (21.95%) Firewall
2 8 (19.51%) Cisco Nexus
3 7 (17.07%) VPN
4 5 (12.20%) SAN
5 4 (9.76%) TCP/IP
6 3 (7.32%) NAS
7 2 (4.88%) Cisco ASA
7 2 (4.88%) DNS
7 2 (4.88%) IPsec
7 2 (4.88%) MPLS
7 2 (4.88%) VoIP
8 1 (2.44%) BGP
8 1 (2.44%) DHCP
8 1 (2.44%) EIGRP
8 1 (2.44%) LAN
8 1 (2.44%) OSPF
8 1 (2.44%) SMTP
8 1 (2.44%) SSL
8 1 (2.44%) VRRP
8 1 (2.44%) WAN
Database & Business Intelligence
1 7 (17.07%) Big Data
2 1 (2.44%) MySQL
2 1 (2.44%) SQL Server
2 1 (2.44%) SQL Server 2005
2 1 (2.44%) SQL Server 2008
Development Applications
1 6 (14.63%) Sonatype Nexus
2 2 (4.88%) Git (software)
2 2 (4.88%) Jenkins
3 1 (2.44%) FishEye
General
1 4 (9.76%) Finance
Job Titles
1 16 (39.02%) Linux Engineer
2 14 (34.15%) DevOps Engineer
3 13 (31.71%) Linux DevOps Engineer
3 13 (31.71%) Linux/Unix DevOps
4 10 (24.39%) Senior Linux Engineer
5 7 (17.07%) Linux Scripter
5 7 (17.07%) Senior DevOps Engineer
5 7 (17.07%) VMware Engineer
6 6 (14.63%) AWS Engineer
6 6 (14.63%) Elasticsearch Engineer
6 6 (14.63%) Senior Systems Engineer
6 6 (14.63%) Senior VMware Engineer
6 6 (14.63%) Systems Engineer
7 5 (12.20%) Architect
7 5 (12.20%) Consultant
8 4 (9.76%) Administrator
9 3 (7.32%) Cloud Engineer
9 3 (7.32%) DevOps Consultant
9 3 (7.32%) Linux Systems Engineer
9 3 (7.32%) Senior Linux Systems Engineer
Libraries, Frameworks & Software Standards
1 14 (34.15%) ELK Stack
2 13 (31.71%) RESTful
2 13 (31.71%) Sensu
2 13 (31.71%) Web Services
3 2 (4.88%) J2EE
4 1 (2.44%) LAMP
4 1 (2.44%) MAPI
4 1 (2.44%) Middleware
Miscellaneous
1 6 (14.63%) EMC VNX
2 5 (12.20%) Data Centre
3 2 (4.88%) Mainframe
Operating Systems
1 41 (100.00%) Linux
2 28 (68.29%) Red Hat Enterprise Linux
3 14 (34.15%) Ubuntu
4 6 (14.63%) Windows
5 3 (7.32%) Unix
5 3 (7.32%) Windows Server
5 3 (7.32%) Windows Server 2008
6 2 (4.88%) AIX
6 2 (4.88%) SUSE
6 2 (4.88%) Windows 7
6 2 (4.88%) Windows Server 2003
6 2 (4.88%) Windows Server 2012
7 1 (2.44%) Debian
7 1 (2.44%) Fedora
7 1 (2.44%) Mac OS X
7 1 (2.44%) Solaris
7 1 (2.44%) Windows 8
Processes & Methodologies
1 21 (51.22%) DevOps
2 16 (39.02%) Configuration Management
3 14 (34.15%) Agile Software Development
4 6 (14.63%) ITIL
5 5 (12.20%) Software Engineering
5 5 (12.20%) Test Scripting
6 3 (7.32%) Continuous Improvement
6 3 (7.32%) Data Management
6 3 (7.32%) Regression Testing
6 3 (7.32%) Service Management
6 3 (7.32%) UML
7 2 (4.88%) Load Balancing
7 2 (4.88%) Mentoring
7 2 (4.88%) Open Source
8 1 (2.44%) Continuous Integration
8 1 (2.44%) Migration
8 1 (2.44%) Network Design
8 1 (2.44%) Scrum
8 1 (2.44%) Waterfall
Programming Languages
1 20 (48.78%) Bash Shell
1 20 (48.78%) Python
2 19 (46.34%) Java
3 13 (31.71%) JavaScript
4 6 (14.63%) Shell Script
4 6 (14.63%) SQL
5 3 (7.32%) Ruby
6 2 (4.88%) Perl
7 1 (2.44%) PHP
7 1 (2.44%) PowerShell
Qualifications
1 6 (14.63%) CCNA
1 6 (14.63%) CCNP
1 6 (14.63%) Cisco Certification
2 5 (12.20%) VMware Certified Professional (VCP)
3 3 (7.32%) Security Cleared
4 2 (4.88%) RHCE
4 2 (4.88%) RHCSA
4 2 (4.88%) SC Cleared
4 2 (4.88%) VCP5
5 1 (2.44%) VCP4
Quality Assurance & Compliance
1 8 (19.51%) SLA
2 1 (2.44%) PCI DSS
System Software
1 10 (24.39%) vSphere
2 9 (21.95%) VMware Infrastructure
3 8 (19.51%) Docker
4 3 (7.32%) vCloud
5 2 (4.88%) Active Directory
6 1 (2.44%) KVM
6 1 (2.44%) NFS
6 1 (2.44%) Oracle RAC
6 1 (2.44%) Postfix
6 1 (2.44%) qmail
6 1 (2.44%) Sendmail
6 1 (2.44%) Varnish
6 1 (2.44%) XenServer
Systems Management
1 23 (56.10%) Puppet
2 14 (34.15%) Ansible
2 14 (34.15%) Graphite
2 14 (34.15%) logstash
3 13 (31.71%) Terraform
4 8 (19.51%) Opscode Chef
5 7 (17.07%) Nagios
6 6 (14.63%) Kubernetes
7 3 (7.32%) SELinux
8 2 (4.88%) cPanel
9 1 (2.44%) Backup Exec
9 1 (2.44%) Cacti
9 1 (2.44%) Grafana
9 1 (2.44%) NetBackup
9 1 (2.44%) Packer
9 1 (2.44%) Plesk
9 1 (2.44%) Red Hat Satellite
9 1 (2.44%) SCOM
9 1 (2.44%) vRealize
9 1 (2.44%) ZABBIX
Vendors
1 17 (41.46%) Red Hat
2 15 (36.59%) Cisco
3 14 (34.15%) VMware
4 12 (29.27%) EMC
5 7 (17.07%) Oracle
6 3 (7.32%) IBM
7 2 (4.88%) Microsoft
7 2 (4.88%) Remedy
8 1 (2.44%) Citrix
8 1 (2.44%) CommVault
8 1 (2.44%) Hitachi
8 1 (2.44%) NetApp
8 1 (2.44%) Rackspace
8 1 (2.44%) Symantec